One Piece Magazine is a three-part publication produced in celebration of the series's 20th anniversary.
|One Piece Magazine Vol.1||July 7, 2017|
|One Piece Magazine Vol.2||August 4, 2017|
|One Piece Magazine Vol.3||September 1, 2017|
- Each volume included a double page part of a celebratory poster for the 20th anniversary of the series. In that poster, the Straw Hats wear the clothes they wore on the Color Spread of Chapter 851.
- Each Volume included four months of a birthday calendar of the characters whose birthday has been revealed up to Volume 85 release.
- Each volume included a third of a special stories: Special Episode "Luff" and One Piece novel A.
- Each volume included a complementary wanted poster of one of the three sworn brothers.